Key result
Olive leaf extract significantly reduced systolic blood pressure (mean difference -6.03 mmHg; 95% CI -11.60 to -0.46; p=0.03) in adults with prehypertension and hypertension.
Why the study?
Hypertension causes approximately 10 million deaths annually, highlighting a need for effective treatments beyond conventional medications due to their limitations.
Does olive leaf extract reduce systolic and diastolic blood pressure in adults with prehypertension and hypertension?
Population
248 adults with prehypertension and hypertension across 3 studies
Comparison
Olea europaea L. vs control or pre-intervention
Design
Systematic review and meta-analysis
Authors
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May complement standard therapy in prehypertension; leaves open larger high-quality trials given limited evidence.
Meta-Analysis (n=248)
Does olive leaf extract reduce systolic and diastolic blood pressure in adults with prehypertension and hypertension?
Mean Difference: -6.03 (95% CI -11.6–-0.46)
p-value: p=0.03
Olive leaf extract, particularly at a dose of 1000 mg/day, may be an effective adjunct for reducing systolic and diastolic blood pressure in pre-hypertensive and hypertensive adults.
Lachovicz et al. (2025) conducted a meta-analysis in Prehypertension and hypertension (n=248). Olive leaf extract (Olea europaea L.) vs. Control / Pre-intervention was evaluated on Systolic blood pressure (MD -6.03 mmHg, 95% CI -11.60, -0.46, p=0.03). Olive leaf extract significantly reduced systolic blood pressure (mean difference -6.03 mmHg; 95% CI -11.60 to -0.46; p=0.03) in adults with prehypertension and hypertension.
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